Substitution may refer to:
Arts and media
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Chord substitution, in music, swapping one chord for a related one within a chord progression
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Substitution (poetry)
In English poetry substitution, also known as inversion, is the use of an alien metric foot in a line of otherwise regular metrical pattern. For instance in an iambic line of "da DUM", a trochaic substitution would introduce a foot of "DUM&n ...
, a variation in poetic scansion
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"Substitution" (song), a 2009 song by Silversun Pickups
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Substitution (theatre)
In acting, substitution is the understanding of elements in the life of one's character by comparing them to elements in one's own life. For example, if an actor is portraying a character who is being blackmailed, they could think back to some em ...
, an acting methodology
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Tritone substitution
The tritone substitution is a common chord substitution found in both jazz and classical music. Where jazz is concerned, it was the precursor to more complex substitution patterns like Coltrane changes. Tritone substitutions are sometimes used in ...
, in music, reinterpreting a chord via a new root note located an augmented fourth or diminished fifth distant from the root of the original interpretation
Science and mathematics
Biology and chemistry
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Base-pair substitution
A point mutation is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome. Point mutations have a variety of effects on the downstream protein product—consequence ...
or point mutation, a type of mutation
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Substitution reaction, where a functional group in a chemical compound is replaced by another group
*Substitution, a process in which an allele arises and undergoes
fixation
Mathematics and computing
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Substitution (algebra)
In algebra, the operation of substitution can be applied in various contexts involving formal objects containing symbols (often called variables or indeterminates); the operation consists of systematically replacing occurrences of some symbol by ...
, replacing occurrences of some symbol by a given value
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Substitution (logic), a syntactic transformation on strings of symbols of a formal language
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String substitution In computer science, in the area of formal language theory, frequent use is made of a variety of string functions; however, the notation used is different from that used for computer programming, and some commonly used functions in the theoretical ...
, a mapping of letters in an alphabet to languages
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Substitution cipher, a method of encryption
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Integration by substitution
In calculus, integration by substitution, also known as ''u''-substitution, reverse chain rule or change of variables, is a method for evaluating integrals and antiderivatives. It is the counterpart to the chain rule for differentiation, and can ...
, a method for finding antiderivatives and integrals
Other uses in science
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Substitution (economics)
In microeconomics, two goods are substitutes if the products could be used for the same purpose by the consumers. That is, a consumer perceives both goods as similar or comparable, so that having more of one good causes the consumer to desire less ...
, switching between alternative consumable goods as their relative prices change
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Attribute substitution
Attribute substitution is a psychological process thought to underlie a number of cognitive biases and perceptual illusions. It occurs when an individual has to make a judgment (of a ''target attribute'') that is computationally complex, and inst ...
, a psychological process thought to underlie a number of cognitive biases and perceptual illusions
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Substitution method
In optical fiber technology, the substitution method is a method of measuring the transmission loss of a fiber. It consists of:
#using a stable optical source, at the wavelength of interest, to drive a mode scrambler, the output of which overfills ...
, a method of measuring the transmission loss of an optical fiber
Other uses
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Substitution (law)
In legal terms, the right of substitution is a statutory right of all parties except the state. It is the right to change the presiding court official with or without cause.
Judges are usually given cases randomly within a jurisdiction (unless ...
, the replacement of a judge
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Substitution (sport), where a sports team is able to change one player for another during a match
Within Wikipedia
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Help:Substitution, help performing substitution on Wikipedia pages
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Special:ExpandTemplates, page that shows what will result from substitution
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Wikipedia:Substitution, where, when, how, and what about using substitution on Wikipedia
See also
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Import substitution industrialization, a trade and economic policy
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Penal substitution
Penal substitution (sometimes, esp. in older writings, called forensic theory)D. Smith, The atonement in the light of history and the modern spirit' (London: Hodder and Stoughton), p. 96-7: 'THE FORENSIC THEORY...each successive period of history ...
, a theory of the atonement within Christian theology
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Simultaneous substitution
Simultaneous substitution (also known as simsubbing or signal substitution) is a practice mandated by the Canadian Radio-television and Telecommunications Commission (CRTC) requiring broadcast distribution undertakings (BDUs) in Canada to dist ...
, a practice requiring Canadian television distribution companies to substitute a non-local station signal with the local signal
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Substituent
A substituent is one or a group of atoms that replaces (one or more) atoms, thereby becoming a moiety in the resultant (new) molecule. (In organic chemistry and biochemistry, the terms ''substituent'' and ''functional group'', as well as ''side ...
, an atom or group of atoms
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Substitute (disambiguation)
Substitute may refer to:
Film
* ''Substitute'' (film), a 2006 film by Vikash Dhorasoo
* ''The Substitute'' (1993 film), a telefilm by Martin Donovan
* ''The Substitute'', a 1996 thriller film starring Tom Berenger
* '' The Substitute 2: Schoo ...
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Substitution therapy
Opioid use disorder (OUD) is a substance use disorder characterized by cravings for opioids, continued use despite physical and/or psychological deterioration, increased tolerance with use, and withdrawal symptoms after discontinuing opioids. Op ...
or opiate replacement therapy
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